git.sesse.net Git - vlc/blob - modules/gui/macosx/about.m

   1 /*****************************************************************************
   2  * about.m: MacOS X About Panel
   3  *****************************************************************************
   4  * Copyright (C) 2001-2007 the VideoLAN team
   5  * $Id$
   6  *
   7  * Authors: Derk-Jan Hartman <thedj@users.sourceforge.net>
   8  *
   9  * This program is free software; you can redistribute it and/or modify
  10  * it under the terms of the GNU General Public License as published by
  11  * the Free Software Foundation; either version 2 of the License, or
  12  * (at your option) any later version.
  13  *
  14  * This program is distributed in the hope that it will be useful,
  15  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  16  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  17  * GNU General Public License for more details.
  18  *
  19  * You should have received a copy of the GNU General Public License
  20  * along with this program; if not, write to the Free Software
  21  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
  22  *****************************************************************************/
  23
  24 /*****************************************************************************
  25  * Preamble
  26  *****************************************************************************/
  27 #include "intf.h"
  28 #include "about.h"
  29
  30 /*****************************************************************************
  31  * VLAboutBox implementation
  32  *****************************************************************************/
  33 @implementation VLAboutBox
  34
  35 static VLAboutBox *_o_sharedInstance = nil;
  36
  37 + (VLAboutBox *)sharedInstance
  38 {
  39     return _o_sharedInstance ? _o_sharedInstance : [[self alloc] init];
  40 }
  41
  42 - (id)init
  43 {
  44     if (_o_sharedInstance) {
  45         [self dealloc];
  46     } else {
  47         _o_sharedInstance = [super init];
  48     }
  49
  50     return _o_sharedInstance;
  51 }
  52
  53 - (void)showPanel
  54 {
  55     if (!o_credits_path)
  56     {
  57         NSString *o_name;
  58         NSString *o_version;
  59         NSString *o_thanks_path;
  60
  61         /* Get the info dictionary (Info.plist) */
  62         o_info_dict = [[NSBundle mainBundle] infoDictionary];
  63
  64         /* Get the localized info dictionary (InfoPlist.strings) */
  65         localInfoBundle = CFBundleGetMainBundle();
  66         o_local_dict = (NSDictionary *)
  67                         CFBundleGetLocalInfoDictionary( localInfoBundle );
  68
  69         /* Setup the name field */
  70         o_name = [o_local_dict objectForKey:@"CFBundleName"];
  71
  72         /* Set the about box title */
  73         [o_about_window setTitle:_NS("About VLC media player")];
  74
  75         /* Setup the version field */
  76         o_version = [o_info_dict objectForKey:@"CFBundleVersion"];
  77
  78         /* setup the creator / revision field */
  79         if( VLC_Changeset() != "exported" )
  80         [o_revision_field setStringValue: [NSString stringWithFormat: \
  81             _NS("Compiled by %s, based on SVN revision %s"), VLC_CompileBy(), \
  82             VLC_Changeset()]];
  83         else
  84         [o_revision_field setStringValue: [NSString stringWithFormat: \
  85             _NS("Compiled by %s"), VLC_CompileBy()]];
  86
  87         /* Setup the nameversion field */
  88         o_name_version = [NSString stringWithFormat:@"Version %@", o_version];
  89         [o_name_version_field setStringValue: o_name_version];
  90
  91         /* Setup our credits */
  92         o_credits_path = [[NSBundle mainBundle] pathForResource:@"AUTHORS" ofType:nil];
  93         o_credits = [[NSString alloc] initWithData: [NSData dataWithContentsOfFile: o_credits_path ] encoding:NSUTF8StringEncoding];
  94
  95         /* Parse the authors string */
  96         NSMutableString *o_outString = [NSMutableString stringWithFormat: @"%@\n\n", _NS(INTF_ABOUT_MSG)];
  97         NSScanner *o_scan_credits = [NSScanner scannerWithString: o_credits];
  98         NSCharacterSet *o_stopSet = [NSCharacterSet characterSetWithCharactersInString:@"\n\r"];
  99
 100         while( ![o_scan_credits isAtEnd] )
 101         {
 102             NSString *o_person;
 103             NSScanner *o_scan_person;
 104
 105             [o_scan_credits scanUpToString:@"N:" intoString: nil];
 106             [o_scan_credits scanString:@"N:" intoString: nil];
 107             [o_scan_credits scanUpToString:@"N:" intoString: &o_person];
 108             o_scan_person = [NSScanner scannerWithString: o_person];
 109
 110             NSString *o_name;
 111             NSString *o_email;
 112             NSMutableString *o_jobs = [NSMutableString string];
 113             NSString *o_next;
 114
 115             [o_scan_person scanUpToCharactersFromSet: o_stopSet intoString: &o_name];
 116             [o_scan_person scanString:@"E:" intoString: nil];
 117             [o_scan_person scanUpToCharactersFromSet: o_stopSet intoString: &o_email];
 118             [o_scan_person scanUpToString:@"D:" intoString: &o_next];
 119             [o_scan_person scanUpToString:@":" intoString: &o_next];
 120             [o_scan_person scanString:@":" intoString: nil];
 121
 122             while ( [o_next characterAtIndex:[o_next length] - 1] == 'D' )
 123             {
 124                 NSString *o_job;
 125                 [o_scan_person scanUpToCharactersFromSet: o_stopSet intoString: &o_job ];
 126                 [o_jobs appendFormat: @"%@, ", o_job];
 127                 [o_scan_person scanUpToString:@":" intoString: &o_next];
 128                 [o_scan_person scanString:@":" intoString: nil];
 129             }
 130
 131             [o_outString appendFormat: @"%@ <%@>\n%@\n\n", o_name, o_email, o_jobs];
 132         }
 133
 134         /* Parse the thanks string */
 135         o_thanks_path = [[NSBundle mainBundle] pathForResource:@"THANKS" ofType:nil];
 136         o_thanks = [[NSString alloc] initWithData: [NSData dataWithContentsOfFile:
 137                         o_thanks_path ] encoding:NSUTF8StringEncoding];
 138
 139         NSScanner *o_scan_thanks = [NSScanner scannerWithString: o_thanks];
 140         [o_scan_thanks scanUpToCharactersFromSet: o_stopSet intoString: nil];
 141
 142         while( ![o_scan_thanks isAtEnd] )
 143         {
 144             NSString *o_person;
 145             NSString *o_job;
 146
 147             [o_scan_thanks scanUpToString:@" - " intoString: &o_person];
 148             [o_scan_thanks scanString:@" - " intoString: nil];
 149             [o_scan_thanks scanUpToCharactersFromSet: o_stopSet intoString: &o_job];
 150             [o_outString appendFormat: @"%@\n%@\n\n", o_person, o_job];
 151         }
 152         [o_credits_textview setString:o_outString];
 153
 154         /* Setup the copyright field */
 155         o_copyright = [o_local_dict objectForKey:@"NSHumanReadableCopyright"];
 156         [o_copyright_field setStringValue:o_copyright];
 157
 158         /* Setup the window */
 159         [o_credits_textview setDrawsBackground: NO];
 160         [o_credits_scrollview setDrawsBackground: NO];
 161         [o_about_window setExcludedFromWindowsMenu:YES];
 162         [o_about_window setMenu:nil];
 163         [o_about_window center];
 164     }
 165
 166     /* Show the window */
 167     b_restart = YES;
 168     [o_about_window makeKeyAndOrderFront:nil];
 169 }
 170
 171 - (void)windowDidBecomeKey:(NSNotification *)notification
 172 {
 173     o_scroll_timer = [NSTimer scheduledTimerWithTimeInterval:1/6
 174                            target:self
 175                            selector:@selector(scrollCredits:)
 176                            userInfo:nil
 177                            repeats:YES];
 178 }
 179
 180 - (void)windowDidResignKey:(NSNotification *)notification
 181 {
 182     [o_scroll_timer invalidate];
 183 }
 184
 185 - (void)scrollCredits:(NSTimer *)timer
 186 {
 187     if (b_restart)
 188     {
 189         /* Reset the starttime */
 190         i_start = [NSDate timeIntervalSinceReferenceDate] + 3.0;
 191         f_current = 0;
 192         f_end = [o_credits_textview bounds].size.height - [o_credits_scrollview bounds].size.height;
 193         b_restart = NO;
 194     }
 195
 196     if ([NSDate timeIntervalSinceReferenceDate] >= i_start)
 197     {
 198         /* Scroll to the position */
 199         [o_credits_textview scrollPoint:NSMakePoint( 0, f_current )];
 200
 201         /* Increment the scroll position */
 202         f_current += 0.005;
 203
 204         /* If at end, restart at the top */
 205         if ( f_current >= f_end )
 206         {
 207             b_restart = YES;
 208         }
 209     }
 210 }
 211
 212 @end